Since we all know Wikipedia is the source of all factual infomation (
), see below:
Quote:
Ground or earth in a mains (AC power) electrical wiring system is a conductor that provides a low impedance path to the earth to prevent hazardous voltages from appearing on equipment (the terms "ground" (North American practice) and "earth" (most other English-speaking countries) are used synonymously here). Normally a grounding conductor does not carry current.
Neutral is a circuit conductor (that carries current in normal operation), which is connected to earth (or ground) generally at the service panel with the main disconnecting switch or breaker.
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This also explains why two conductor plugs always have one bigger prong, so that neutral always goes to the neutral connector in the outlet?